Propagation of Partial Discharge Pulses in Winding
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| Title | Propagation of Partial Discharge Pulses in Winding |
| Authors | |
| Abstract | A lot of measurements of the attenuation of partial discharge pulses on the model of winding was realized in the HighVoltage Laboratory of the Czech Technical University in Prague. Current pulses from a charge calibrator were injected into different parts of winding and both the distortion of the charge and their deformations at the end terminals were observed andevaluated. It was confirmed that the apparent charge of a partial discharge, as a diagnostic parameter, is not relatively verysensitive, comparing to other diagnostic parameters, e.g. to the size or the shape of a partial discharge current pulse. The charge of the partial discharge current pulse on terminals was integrated by means of three different methods. It was foundthat the attenuation of the partial discharge pulse is significant. It was confirmed by all three evaluating methods with similarresults. Furthermore, a measurement both of the attenuation of pulse and changes of partial discharge charge was realized ondifferent types of winding. It resulted in the fact that the attenuation of the partial discharge charge on different types of windingdepends on the winding parameters. |
| Publisher | Faculty of Electrical Engineering and Computer Science |
| Date | 2011-06-29 |
| Source | Advances in Electrical and Electronic Engineering Vol 3, No 3 (2004): September |
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